<http://schema.org/description>
"Ninety-nine years to the day the Wright brothers first flew a powered aircraft, U.S. air and space pioneers gathered in Washington Tuesday to launch a year-long commemoration of that historic event."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2002/12/17/First-flight-celebrations-begin/UPI-46431040163450/>